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电子学报  2000 

衰落信道下基于线性预测的迭代解调及译码技术:TurboDPSK

Keywords: 衰落,线性估计,PSP,TurboDPSK

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Abstract:

本文针对移动通信中常见的衰落信道的特点,提出了一种基于信道增益线性估计的TurboDPSK解调、译码技术.其特点是在进行信道增益的线性估计时无需知道信道的自相关函数,可简化接收机的复杂度.同时在系统中引入Per-SurvivorProcess(PSP)和迭代译码技术,充分利用每次迭代后的信息进一步提高系统的性能.计算机仿真表明,采用这种基于线性信道估计的TurboDPSK系统有很好的抗衰落性能.

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